# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000776867-18-000023
Filing Date
2018-11-05
Accepted
2018-11-05 08:57:26
Documents
100
Period of Report
2018-09-30

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | wtm10-q93018.htm | 10-Q | 3671810
2 | EXHIBIT 31.1 | wtm10-q93018ex311.htm | EX-31.1 | 10856
3 | EXHIBIT 31.2 | wtm10-q93018ex312.htm | EX-31.2 | 10853
4 | EXHIBIT 32.1 | wtm10-q93018ex321.htm | EX-32.1 | 7080
5 | EXHIBIT 32.2 | wtm10-q93018ex322.htm | EX-32.2 | 7162
| Complete submission text file | 0000776867-18-000023.txt |  | 20572791

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
6 | XBRL INSTANCE DOCUMENT | wtm-20180930.xml | EX-101.INS | 6089419
7 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | wtm-20180930.xsd | EX-101.SCH | 98172
8 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | wtm-20180930_cal.xml | EX-101.CAL | 113362
9 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | wtm-20180930_def.xml | EX-101.DEF | 773543
10 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | wtm-20180930_lab.xml | EX-101.LAB | 1091062
11 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | wtm-20180930_pre.xml | EX-101.PRE | 869982

Mailing Address 80 SOUTH MAIN STREET HANOVER NH 03755
Business Address 80 SOUTH MAIN ST HANOVER NH 03755 603 640 2200
WHITE MOUNTAINS INSURANCE GROUP LTD (Filer) CIK: 0000776867 (see all company filings)

EIN.: 942708455 | State of Incorp.: D0 | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-08993 | Film No.: 181158916
SIC: 6331 Fire, Marine & Casualty Insurance